1
2/*
3 * Copyright 2010 The Android Open Source Project
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9
10#ifndef SkTextFormatParams_DEFINES
11#define SkTextFormatParams_DEFINES
12
13#include "SkScalar.h"
14#include "SkTypes.h"
15
16// Fraction of the text size to lower a strike through line below the baseline.
17#define kStdStrikeThru_Offset       (-SK_Scalar1 * 6 / 21)
18// Fraction of the text size to lower a underline below the baseline.
19#define kStdUnderline_Offset        (SK_Scalar1 / 9)
20// Fraction of the text size to use for a strike through or under-line.
21#define kStdUnderline_Thickness     (SK_Scalar1 / 18)
22
23// The fraction of text size to embolden fake bold text scales with text size.
24// At 9 points or below, the stroke width is increased by text size / 24.
25// At 36 points and above, it is increased by text size / 32.  In between,
26// it is interpolated between those values.
27static const SkScalar kStdFakeBoldInterpKeys[] = {
28    SK_Scalar1*9,
29    SK_Scalar1*36,
30};
31static const SkScalar kStdFakeBoldInterpValues[] = {
32    SK_Scalar1/24,
33    SK_Scalar1/32
34};
35SK_COMPILE_ASSERT(SK_ARRAY_COUNT(kStdFakeBoldInterpKeys) ==
36                  SK_ARRAY_COUNT(kStdFakeBoldInterpValues),
37                  mismatched_array_size);
38static const int kStdFakeBoldInterpLength =
39    SK_ARRAY_COUNT(kStdFakeBoldInterpKeys);
40
41#endif  //SkTextFormatParams_DEFINES
42